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Trifluoroacetic acid → (1RS,2RS)-2-amino-1-(2-phenyl-1,3-thiazol-4-yl)-3-[3-(1,1,2,2-tetrafluoroethoxy)phenyl]-1-propanol

HRID 1610732
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1610732
[OH:1][CH:2]([C:26]1[N:27]=[C:28]([C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)[S:29][CH:30]=1)[CH:3]([NH:18]C(=O)OC(C)(C)C)[CH2:4][C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([O:11][C:12]([F:17])([F:16])[CH:13]([F:15])[F:14])[CH:6]=1.FC(F)(F)C(O)=O>C(Cl)(Cl)Cl>[NH2:18][CH:3]([CH2:4][C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([O:11][C:12]([F:16])([F:17])[CH:13]([F:14])[F:15])[CH:6]=1)[CH:2]([C:26]1[N:27]=[C:28]([C:31]2[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=2)[S:29][CH:30]=1)[OH:1]
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Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 86593308tert-butyl (1RS,2RS)-2-hydroxy-2-(2-phenyl-1,3-thiazol-4-yl)-1-[3-(1,1,2,2-tetrafluoroethoxy)benzyl]ethylcarbamate

Produkt 1

HCID 22261593(1RS,2RS)-2-amino-1-(2-phenyl-1,3-thiazol-4-yl)-3-[3-(1,1,2,2-tetrafluoroethoxy)phenyl]-1-propanolAusbeute 87 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6212ChloroformLösungsmittel

Versuchsvorschrift

To a solution of tert-butyl (1RS,2RS)-2-hydroxy-2-(2-phenyl-1,3-thiazol-4-yl)-1-[3-(1,1,2,2-tetrafluoroethoxy)benzyl]ethylcarbamate (1.67 g, 3.17 mmol) in chloroform (20 ml) was added trifluoroacetic acid (20 ml), and the mixture was stirred at room temperature for 1 hr. The mixture was concentrated under reduced pressure. To the residue was added water, and the mixture was basified with saturated aqueous sodium hydrogen carbonate. The aqueous layer was extracted with ethyl acetate, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The residue was purified by recrystallization (hexane-ethyl acetate) to give (1RS,2RS)-2-amino-1-(2-phenyl-1,3-thiazol-4-yl)-3-[3-(1,1,2,2-tetrafluoroethoxy)phenyl]-1-propanol (1.17 g, 87%) as colorless crystals.

Aufarbeitung

  1. concentrationThe mixture was concentrated under reduced pressure
  2. additionTo the residue was added water
  3. extractionThe aqueous layer was extracted with ethyl acetate
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by recrystallization (hexane-ethyl acetate)

Quellen und Nachweise

ORD-Eintrag
ord-7238d1326f7a4b7890ba5a17a1de0f6e
Quelldatensatz
uspto-grants-2006_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06982348B2

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